S
M
T
W
T
F
S
26
58°
42°
27
68°
46°
28
61°
48°
29
65°
50°
30
65°
48°
1
63°
46°
2
58°
43°
3
59°
44°
4
62°
45°
5
64°
48°
6
65°
47°
7
67°
52°
8
64°
47°
9
65°
46°
10
65°
45°
11
66°
48°
12
66°
50°
13
65°
49°
14
65°
50°
15
66°
48°
16
66°
48°
17
67°
48°
18
66°
50°
19
67°
51°
20
66°
49°
21
68°
50°
22
69°
50°
23
70°
57°
24
75°
59°
25
74°
55°
26
70°
52°
27
70°
52°
28
72°
57°
29
71°
60°
30
72°
61°
31
73°
61°
1
74°
60°
2
76°
61°
3
73°
61°
4
77°
60°
5
80°
55°
6
76°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Sewell
Sewell's May 2026 forecast shows daily high temperatures ranging from 58° to 80°, with overnight lows between 42° and 61°. The average high for May is 68° with an average low of 51°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Sewell. See also: June | July | August.